smoketest: more tracing information

src/vs/workbench/api/node/extHostCommands.ts

@@ -131,6 +131,8 @@ export class ExtHostCommands implements ExtHostCommandsShape {
 	}
 
 	$executeContributedCommand<T>(id: string, ...args: any[]): Thenable<T> {
+		this._logService.trace('ExtHostCommands#$executeContributedCommand', id);
+
 		if (!this._commands.has(id)) {
 			return Promise.reject(new Error(`Contributed command '${id}' does not exist.`));
 		} else {